Star Trek cast member Walter Koenig wrote and co-stars in this sci-fi epic about a guilt-ridden man who is unable to get over the tragedy that took the lives of his family members. After discovering that he is the host to an otherworldly parasite that carries his DNA, he learns that the creature may pose a threat to mankind. With Richard Hatch, Erick Avari, Marina Sirtis, and Alan Ruck. 106 min. Widescreen (Enhanced); Soundtrack: English Dolby Digital stereo; Subtitles: English (SDH).